This all-weather pen writes on wet paper, upside-down, in temperatures down to -20 °C, and even in zero-gravity, fulfilling all your writing needs wherever you may be.
Power Tank is the ultimate outdoor pen.
With its 360 degree writing application, it can write vertically or even upside down - perfect for use on a clip board.
It also maintains excellent writing performance on wet paper and in sub-zero conditions.
